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Never get surprise-charged again: log trials, cancel on time, buy portfolio credits once, and request refunds with structured feedback. Builders get a shared billing hub on Cloudflare Workers.
/api/merchant/intelligence/preview — sample refund intelligence (test mode).Per-merchant Stripe Connect refund intelligence is implemented and auth-gated. Enabling Connect in production is an explicit owner step (app registration + secrets + flag) — not a closed private waitlist.
Cloudflare Workers, D1, portfolio billing service binding, separate consumer vs automation credit ledgers. Story: /how-we-built.